Anthropic's Claude Fable 5 tops all six new industry-specific performance indices from Artificial Analysis, covering finance, law, and medicine. But that lead comes at a steep cost. In the Strategy & Ops Index, a single task runs $3.48 with Fable 5, more than a hundred times what DeepSeek V4 Pro charges at $0.03. The score difference is just 12 points.

Anthropic's Claude Fable 5 tops all six new industry-specific performance indices from Artificial Analysis, covering finance, law, and medicine. But that lead comes at a steep…

OpenAI's GPT-5.6 Sol scores 59 points on the Artificial Analysis Intelligence Index, just one point behind Claude Fable 5. At $1.04 per task, it costs a third of what Anthropic's…